A new study has found that pollution from fine particles in the air – mainly the result of burning coal or volcanic eruptions – can shade corals from sunlight and cool the surrounding water resulting in reduced growth ...
Environment
Apr 7, 2013
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Geoengineering, the use of human technologies to alter the Earth's climate system—such as injecting reflective particles into the upper atmosphere to scatter incoming sunlight back to space—has emerged as a potentially ...
Environment
Mar 14, 2013
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Dr Hugh Lewis, Lecturer in Aerospace Engineering, has analysed the recent extraordinary Russian meteor event using the "NEOImpactor" tool, which was developed by researchers from the University and designed to investigate ...
Space Exploration
Mar 8, 2013
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(Phys.org)—Exciting the atoms or molecules of a substance via the use of visible light, or photoexcitation, can play a significant role in a range of energy-conversion processes, such as natural photosynthesis (oxygen from ...
General Physics
Feb 11, 2013
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The Arctic sea ice is shrinking, both in extent and thickness. In addition to the manmade contribution to the sea ice loss, there are also natural factors contributing to this loss. In a new study from the Bjerknes Centre ...
Earth Sciences
Jan 14, 2013
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Princeton researchers have found a simple and economic way to nearly triple the efficiency of organic solar cells, the cheap and flexible plastic devices that many scientists believe could be the future of solar power.
Nanomaterials
Dec 6, 2012
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(Phys.org)—In the first-ever experiment of its kind, researchers have demonstrated that clean energy hydrogen can be produced from water splitting by using very small metal particles that are exposed to sunlight. In the ...
Materials Science
Nov 21, 2012
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Glaciation events during the Neoproterozoic (524-to-1,000 million years ago) and Paleoproterozoic (1,600-to-2,500 million years ago) periods - events that spawned ice ages that persisted for millions of years at a time - ...
Earth Sciences
Nov 13, 2012
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(Phys.org)—A LANL team and collaborators have made advances in the understanding of how carbon nanotubes move charges created by light. The research has applications for cheap, all-carbon-based photovoltaics and light detection ...
Nanophysics
Nov 12, 2012
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(Phys.org)—A few large particles in a crowd of tiny ones have often been ignored when calculating the amount of sunlight bounced back into space in clean-sky conditions. Scientists at Pacific Northwest National Laboratory ...
Earth Sciences
Nov 7, 2012
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